An investigation of the stability of a system of two ships employing automatic control while on parallel courses in close proximity.

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Abstract

An introduction outlining the development of ship
operations in close proximity for underway replenishment is
followed by a survey of the literature dealing with the
measurement of interaction effects between ships under such
circumstances. A brief outline of the theoretical treatment
of ship motions in open water is given and followed by the
modifications to the theory required for treatment of the ship two system. The applicable equations are written for calm
water and suitably linearized. The techniques of treating
the differential equations as algebraic equations, and of" solving the equations by determinant evaluation are described,

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